Answer / i

pilot wire protection is used for protecting long transmission line from fault just like diffrential protection

how to changeover ups in this power failur time?

0 Answers   Essar,

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why induction motor always operate at lagging p.f.?

4 Answers  

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Why the CT Secondary is rated as 5A generally?

2 Answers  

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tell me about your project

1 Answers  

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In scott connection why connect teaser transformer to 86.6% and main transformer to 50%..

1 Answers   Silicon,

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IN A SMALL D.C GENERATOR, IF WE REPLACE THE LAMINATED CORE ARMATURE WITH A WOODEN BLOCK OF SAME SIZE & SHAPE AND WIND WIRES WOUND ON THE SLOTS OF WOODEN ARMATURE AND CONNECTED TO THE COMMUTATOR.COMMUTATOR IS FITTED WITH BRUSH TO RECEIVE INDUCED E.M.F.WHETHER E.M.F GENERATED OR NOT?

3 Answers  

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for testing busbar (33kv) hi-pot .whether we can apply DC r not.and what is the test volt for that .explain

4 Answers   WGPSN,

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While HT line put on to activate ACB in low tention panel VCB tripping instantly.why it happens

0 Answers   Engineering,

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i have one source transformer with the capacity of 50KVA, connected with two loads 10kw and second one is 15kw.. how can i calculate first load in KVA and second one in KVA .. because Kva rating, power factor rating of of transformer is different from the load… there must be some way to calculate load KVA rating and power factor….

1 Answers  

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When should I use earth leakage circuit breaker for incomer and when should I use it for each feeder seperately?

1 Answers  

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what maximum load will take a aluminum cable of 50mm 4 core.

3 Answers  

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sir, i'm preparing for hpcl exam officer trainee pls tell me how the exam ques paper pls pls

0 Answers  

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